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Radionuclide imaging and therapy (A-level only)

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Question 6

A patient is suspected of having a torn anterior cruciate ligament (ACL) in their knee joint. Three types of scans are available to investigate the injury:

  • a magnetic resonance (MR) scan
  • a CT scan
  • an ultrasound scan

Ligaments are soft, water-rich fibrous tissues deeply surrounded by dense bone and other joint structures.

Discuss the advantages and disadvantages of each option. In your answer you should:

  • refer to the physical principles and the relevant quality of the image obtained from each scan
  • identify other factors that should be considered
  • justify the type of scan you would recommend.
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Markscheme

Radionuclide imaging and therapy (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Radionuclide imaging and therapy (A-level only)

23 exam-style questions on AQA A Level Physics Radionuclide imaging and therapy (A-level only), covering Imaging techniques (A-level only), Half-life (A-level only), Gamma camera (A-level only), Use of high-energy X-rays (A-level only), Use of radioactive implants (A-level only), and Imaging comparisons (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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